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-rw-r--r--drivers/acpi/Makefile2
-rw-r--r--drivers/acpi/battery.c15
2 files changed, 12 insertions, 5 deletions
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index b130ea0d075..298caf6862b 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -37,7 +37,6 @@ obj-y += scan.o
# Keep EC driver first. Initialization of others depend on it.
obj-y += ec.o
obj-$(CONFIG_ACPI_AC) += ac.o
-obj-$(CONFIG_ACPI_BATTERY) += battery.o
obj-$(CONFIG_ACPI_BUTTON) += button.o
obj-$(CONFIG_ACPI_FAN) += fan.o
obj-$(CONFIG_ACPI_DOCK) += dock.o
@@ -57,5 +56,6 @@ obj-$(CONFIG_ACPI_DEBUG) += debug.o
obj-$(CONFIG_ACPI_NUMA) += numa.o
obj-$(CONFIG_ACPI_HOTPLUG_MEMORY) += acpi_memhotplug.o
obj-$(CONFIG_ACPI_PROCFS_POWER) += cm_sbs.o
+obj-$(CONFIG_ACPI_BATTERY) += battery.o
obj-$(CONFIG_ACPI_SBS) += sbshc.o
obj-$(CONFIG_ACPI_SBS) += sbs.o
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 69cbc57c2d1..0f1c8190c1d 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -30,6 +30,7 @@
#include <linux/init.h>
#include <linux/types.h>
#include <linux/jiffies.h>
+#include <linux/async.h>
#ifdef CONFIG_ACPI_PROCFS_POWER
#include <linux/proc_fs.h>
@@ -901,21 +902,27 @@ static struct acpi_driver acpi_battery_driver = {
},
};
-static int __init acpi_battery_init(void)
+static void __init acpi_battery_init_async(void *unused, async_cookie_t cookie)
{
if (acpi_disabled)
- return -ENODEV;
+ return;
#ifdef CONFIG_ACPI_PROCFS_POWER
acpi_battery_dir = acpi_lock_battery_dir();
if (!acpi_battery_dir)
- return -ENODEV;
+ return;
#endif
if (acpi_bus_register_driver(&acpi_battery_driver) < 0) {
#ifdef CONFIG_ACPI_PROCFS_POWER
acpi_unlock_battery_dir(acpi_battery_dir);
#endif
- return -ENODEV;
+ return;
}
+ return;
+}
+
+static int __init acpi_battery_init(void)
+{
+ async_schedule(acpi_battery_init_async, NULL);
return 0;
}